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2282768 = 24142673
BaseRepresentation
bin1000101101010100010000
311021222100222
420231110100
51041022033
6120532212
725255205
oct10552420
94258328
102282768
11131a094
12921068
1361c067
14435cac
15301598
hex22d510

2282768 has 10 divisors (see below), whose sum is σ = 4422894. Its totient is φ = 1141376.

The previous prime is 2282767. The next prime is 2282801. The reversal of 2282768 is 8672822.

It can be written as a sum of positive squares in only one way, i.e., 1982464 + 300304 = 1408^2 + 548^2 .

It is a super-2 number, since 2×22827682 = 10422059483648, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2282767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71321 + ... + 71352.

22282768 is an apocalyptic number.

It is an amenable number.

2282768 is a deficient number, since it is larger than the sum of its proper divisors (2140126).

2282768 is a wasteful number, since it uses less digits than its factorization.

2282768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142681 (or 142675 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 2282768 is about 1510.8831854250. The cubic root of 2282768 is about 131.6701282716.

The spelling of 2282768 in words is "two million, two hundred eighty-two thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 142673 285346 570692 1141384 2282768